body,ul,p,h1,h2,h3,h4,h5,h6,dl,dd,form,input,textarea,select{padding:0; margin:0;}

li{list-style:none;}

img{border:none;vertical-align:top;}

a{text-decoration:none;}

.clearfix{*zoom:1;}

.clearfix:after{

content: "";

display: block;

clear: both;

}

.fl{float:left; _display:inline;}

.fr{float:right; _display:inline;}
* {
    margin: 0;
    padding: 0;
    font-size: 1rem;
}
html,body {
    height: 100%;
}
a{
    color: #fff;
    text-decoration:none;
}
.icon {
    width: 2em; height: 2em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}
.header {
    width: 100%;
    height: 3rem;
    background-color: rgb(56, 58, 70);
    display: flex;
    color:white;
}
.header-left {
    margin-left: 1rem;
    width: 10rem;
    height: 100%;
    flex:1;
}
.logo {
    height:100%;
    line-height: 3rem;
}
.logo img{
    width: 2.5rem;
    height: 2.5rem;
    vertical-align:middle;
}
.header-right {
    font-weight: 700;
    flex:1;
    width: 45rem;
    height: 3rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.middle {
    margin: 3rem 5rem 0rem 5rem;
    display: flex;
    height: 80%;
}
.middle-left {
    width: 75%;
    display: flex;
    flex-direction: column;
}
.tupian {
    position: absolute;
    height: 50%;
    top:15%;
    left: 54%;
    transform:translateX(-50%)
}
.middle-right {
    width: 25%;
    height: 100%;
}
.middle-left-upside {
    height: 80%;
    display: flex;
}
.middle-left-upside-left{
    width:43%;
}
.user {
    display: flex;
    height: 25%;
}
.touxiang {
    border: 0.3rem solid #ccccce;
    height: 100%;
}
.info {
  height: 100%;
  width: 50%;
  margin-left: 3rem;
}
.username {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}
.to-do-list {
    margin-top: 3rem;
    height: 65%;            
}
.to-do-things {
    height: 60%;
    padding-left: 2rem;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.middle-left-upside-right{
    width:60%;
    margin-left: 3rem;
}
.middle-left-downside {
    margin-top: 1.5rem;
    height: 9rem;
    padding: 1rem;
} 
.middle-left-downside span {
    display: block;
    margin: 0.5rem;
}
.middle-right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.middle-right-history {
    margin: 0 0 0 3rem;
    height: 24%;
    border: .2rem #e6e7e9 solid;
}
.middle-right-classtable {
    position: relative;
    height: 45%;
}
.middle-right-history-header {
    height: 2.5rem;
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.middle-right-history-header-left {
    width: 50%;
    height: 100%;
    line-height: 2.5rem;
    font-size: large;
    font-weight: 700;
    text-align: center;
    color: #3a70d8;
    border-top: .3rem #3a70d8 solid;
}
.middle-right-history-content {
    list-style: none;
}
.middle-right-history-content li {
    margin: 0.9rem;
}
.middle-right-history-header-more {
    width: 50%;
    height: 100%;
    font-size: small;
    text-align: right;
    color: #d3d4d6;
    background-color: #e6e7e9;  
    line-height: 3rem;            
}
.middle-right-week {
    position: fixed;
    right: 6rem;
    font-size: large;
    font-weight: 700;
    color: #3a70d8;
}
.middle-right-place {
    font-size: 1px;
    color: #d3d4d6e6;
}
.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 2rem;
    background-color: rgb(56, 58, 70);
    text-align: center;
    line-height: 2rem;
    color: white;
}
.bg {
    background-color: #ededed;
}
.check {
    background-color: #3a70d8;
    height: 2rem;
    width: 4rem;
    text-align: center;
    line-height:2rem;
    border: 1px solid #3a70d8;
    border-radius: .5em;
    overflow: hidden;
}